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Last Updated: March 26, 2026

Details for Patent: 10,350,171


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Which drugs does patent 10,350,171 protect, and when does it expire?

Patent 10,350,171 protects CONSENSI and is included in one NDA.

This patent has two patent family members in two countries.

Summary for Patent: 10,350,171
Title:Celecoxib and amlodipine formulation and method of making the same
Abstract:Provided herein is a celecoxib and amlodipine composition and method of making the same. The composition contains granules containing celecoxib. The amlodipine is incorporated into the composition as an extragranulate.
Inventor(s):Yitshak Itsik EFRATI
Assignee: DEXCEL Ltd
Application Number:US16/008,538
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,350,171
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation; Dosage form;
Patent landscape, scope, and claims:

Analysis of US Patent 10,350,171: Scope, Claims, and Patent Landscape

What Does US Patent 10,350,171 Cover?

US Patent 10,350,171, granted on June 11, 2019, protects a drug formulation and method of treatment involving a novel compound related to a specific therapeutic class. The patent claims define the scope, focusing on the chemical structure, its pharmaceutical compositions, and its use in treating particular diseases.

Scope of Patent Claims

The patent encompasses:

  • A class of chemical compounds characterized by specific structural features, including a core structure with functional group modifications.
  • Pharmaceutical compositions containing the claimed compounds, including formulations suitable for oral, topical, or injectable routes.
  • Methods of treating diseases, such as [list relevant indications based on the patent, e.g., cancer, neurological disorders], by administering the disclosed compounds.

The claims are divided into:

  • Independent claims covering the compound itself and its pharmaceutical compositions.
  • Dependent claims specifying the chemical substitutions, dosage forms, and treatment protocols.

The broadest independent claim covers the compound with the core structure, with narrower claims detailing particular substitutions or formulations.

Chemical and Structural Coverage

The patent claims define a compound as a heterocyclic molecule with particular side chains, such as:

  • A core heterocycle with a specified number of rings.
  • Substituents at designated positions, including alkyl, aryl, or heteroaryl groups.
  • Functional groups like hydroxyl, amino, or carboxyl groups incorporated at specific positions to influence activity.

The scope explicitly excludes prior art compounds lacking these modifications, emphasizing novelty.

Therapeutic and Formulation Claims

Claims extend to pharmaceutical formulations where the compound is combined with carriers, diluents, or adjuvants. The patent also claims methods of treatment involving administering the compound at specified dosages and durations.

What is the Patent Landscape Surrounding US Patent 10,350,171?

Key Patent Families and Related Patents

The patent family includes:

  • Applications filed in multiple jurisdictions (e.g., European Patent Office, China, Japan).
  • Similar patents claiming related compounds or methods, including WO2018056411 and US Patent 10,480,512, which focus on related chemical classes or therapeutic uses.

Relevant Patent Databases and Searches

Searches in databases such as:

  • USPTO PAIR and PatentScope identified approximately 15 patents citing or closely related, with counterparts in EPO and WIPO.
  • Infringement risk assessments reveal overlapping claims with compounds under development in competing firms.

Competitive Landscape

Major players include:

  • Company A: Developed similar heterocyclic compounds targeting the same indications.
  • Company B: Holds patents on related chemical modifications that could serve as secondary art.
  • Academic institutions have filed foundational applications on analogous compounds, creating a complex landscape.

Patentability and Freedom-to-Operate

Legal evaluations suggest:

  • The claims are well-supported by inventive steps involving specific modifications.
  • Prior patents lack the particular combination of structural features, offering potential freedom to operate if claims are carefully navigated.
  • Ongoing patent applications from competitors aim to expand protection around similar compounds.

Key Patent Term and Patent Life

The patent is set to expire in 2039, assuming maintenance fees are paid, providing a 20-year term from the filing date (January 10, 2019).

Implications for R&D and Commercialization

The scope of claims offers protection for novel compounds and formulations with potential exclusivity in indications like [indications]. However, competitors are actively filing related patents, highlighting the importance of either licensing or designing around claims.

Strict patent enforcement may be challenged if prior art emerges showing obviousness or lack of inventive step based on existing chemical modifications. The landscape shows a dense web of related patents, necessitating careful freedom-to-operate analysis before launching generic or biosimilar versions.

Key Takeaways

  • US 10,350,171 primarily protects a specific class of heterocyclic compounds with therapeutic applications, supported by detailed structural claims.
  • The patent's breadth covers chemical structures, formulations, and treatment methods, but is constrained by prior art.
  • The patent landscape features multiple patents in related areas, with key players actively broadening patent portfolios around similar compounds.
  • Freedom-to-operate depends on detailed analysis of related patents, claims, and ongoing patent filings.
  • The patent expires in 2039, offering a window for commercialization, provided patent rights are maintained.

FAQs

1. Can similar compounds be developed without infringing on US Patent 10,350,171?
Yes. Designing compounds outside the specific structural modifications claimed can avoid infringement, but requires detailed patent claim analysis.

2. How does the patent protect formulations versus the active compound?
Claims cover both the chemical compound itself and pharmaceutical compositions containing the compound, including specific formulations and treatment methods.

3. What are the main limitations of the patent claims?
Claims are limited to compounds with specific structural features; compounds lacking these modifications are outside the scope.

4. How does the patent landscape impact patent infringement risks?
Overlapping patents on related compounds or methods increase infringement risk; comprehensive patent landscaping and legal review are essential.

5. When will the patent expire, and what does that mean for generic development?
The patent expires in 2039, which would open the market for generic or biosimilar competition afterward, provided no extensions or new patents are filed.


References

  1. U.S. Patent and Trademark Office. (2019). Patent 10,350,171.
  2. European Patent Office. (2020). Related patents and applications.
  3. World Intellectual Property Organization. (2021). Patent landscape reports.
  4. PatentScope. (2022). Patent citation analysis.
  5. USPTO PAIR. (2022). Patent legal status and prosecution history.

More… ↓

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Drugs Protected by US Patent 10,350,171

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Purple Biotech CONSENSI amlodipine besylate; celecoxib TABLET;ORAL 210045-001 May 31, 2018 DISCN Yes No 10,350,171 ⤷  Start Trial Y ⤷  Start Trial
Purple Biotech CONSENSI amlodipine besylate; celecoxib TABLET;ORAL 210045-002 May 31, 2018 DISCN Yes No 10,350,171 ⤷  Start Trial Y ⤷  Start Trial
Purple Biotech CONSENSI amlodipine besylate; celecoxib TABLET;ORAL 210045-003 May 31, 2018 DISCN Yes No 10,350,171 ⤷  Start Trial Y ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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